Taxon: Ceratocephala testiculata (Crantz) Roth

Summary

Genus:

Ceratocephala

Family:

Ranunculaceae

Subfamily:

Ranunculoideae

Tribe:

Ranunculeae

Nomen number:

449083

Place of publication:

Enum. pl. phaen. Germ. 1(1):1014. 1827 "Ceratocephalus testiculatus"

Verified:

11/02/2005 ARS Systematic Botanists.

Accessions:

0 (0 active, 0 available) in National Plant Germplasm System.

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Basionym
Ranunculus testiculatus Crantz

Heterotypic Synonym(s)
Ceratocephala orthoceras DC.

No images

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
Cusick, A. W. 1989. Bur buttercup (Ceratocephalus testiculatus: Ranunculaceae) a poisonous weed newly established in Ohio. Michigan Bot. 28:33-35.
Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands. Note: lists as "Ceratocephalus"
Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: lists as "Ceratocephalus"
Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
Rechinger, K. H., ed. 1963-. Flora iranica.
Tutin, T. G. et al., eds. 1993. Flora europaea, ed. 2.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
International Seed Testing Association wild species list

Common names

Language	Name	Alternate name	note	seq	Citation
Chinese	jiao guo mao gen	角果毛茛		2	Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Asia-Temperate	Caucasus	Armenia			Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Caucasus	Azerbaijan			Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Caucasus	Georgia			Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Caucasus	Russian Federation	Dagestan		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Caucasus	Russian Federation-Ciscaucasia	Ciscaucasia		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	China	China	Xinjiang Uygur Zizhiqu	w. & c.	Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	Middle Asia	Kazakhstan			Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Middle Asia	Kyrgyzstan			Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Middle Asia	Tajikistan			Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Middle Asia	Turkmenistan			Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Middle Asia	Uzbekistan			Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Siberia	Russian Federation	Gorno-Altay		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Siberia	Russian Federation	Novosibirsk		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Siberia	Russian Federation	Omsk		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Asia-Temperate	Western Asia	Afghanistan			Rechinger, K. H., ed. 1963-. Flora iranica.
1	Native	Asia-Temperate	Western Asia	Iran			Rechinger, K. H., ed. 1963-. Flora iranica.
1	Native	Asia-Tropical	Indian Subcontinent	Pakistan
1	Native	Europe	Eastern Europe	Russian Federation-European part	European part		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
1	Native	Europe	Eastern Europe	Ukraine		incl. Krym	Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: lists as "Ceratocephalus"
1	Native	Europe	Middle Europe	Austria			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: lists as "Ceratocephalus"
1	Native	Europe	Middle Europe	Czech Republic			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: lists as "Ceratocephalus"
1	Native	Europe	Middle Europe	Hungary			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: lists as "Ceratocephalus"
1	Native	Europe	Middle Europe	Slovakia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: lists as "Ceratocephalus"
1	Native	Europe	Southeastern Europe	Bulgaria			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: lists as "Ceratocephalus"
1	Native	Europe	Southeastern Europe	Romania			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: lists as "Ceratocephalus"
1	Native	Europe	Southeastern Europe	Serbia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: lists as "Ceratocephalus"

Native
Asia-Temperate

WESTERN ASIA: Afghanistan, Iran
CAUCASUS: Russian Federation-Ciscaucasia [Ciscaucasia], Armenia, Azerbaijan, Georgia, Russian Federation [Dagestan]
SIBERIA: Russian Federation [Gorno-Altay, Novosibirsk, Omsk]
MIDDLE ASIA: Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan
CHINA: China [Xinjiang Uygur Zizhiqu (w. & c.)]

Asia-Tropical

INDIAN SUBCONTINENT: Pakistan

Europe

MIDDLE EUROPE: Austria, Czech Republic, Hungary, Slovakia
EASTERN EUROPE: Russian Federation-European part [European part], Ukraine (incl. Krym)
SOUTHEASTERN EUROPE: Bulgaria, Romania, Serbia

Reference(s)

Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. Note: lists as "Ceratocephalus"
Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Ceratocephalus orthoceras DC.
Rechinger, K. H., ed. 1963-. Flora iranica.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Economic Uses

Usage	Type	Note	Reference
Vertebrate poisons	mammals		Cusick, A. W. 1989. Bur buttercup (Ceratocephalus testiculatus: Ranunculaceae) a poisonous weed newly established in Ohio. Michigan Bot. 28:33-35.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=449083. Accessed 9 October 2026.